[PATCH V5 4/7] OF: properties: Implement get_match_data() callback

From: Sinan Kaya
Date: Fri Dec 01 2017 - 23:28:15 EST


Now that we have a get_match_data() callback as part of the firmware node,
implement the OF specific piece for it.

Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
---
drivers/of/property.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 264c355..adcde1a 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -981,6 +981,22 @@ static int of_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
return 0;
}

+void *of_fwnode_get_match_data(const struct fwnode_handle *fwnode,
+ const struct device_driver *drv)
+{
+ const struct device_node *node = to_of_node(fwnode);
+ const struct of_device_id *match;
+
+ if (!node)
+ return NULL;
+
+ match = of_match_node(drv->of_match_table, node);
+ if (!match)
+ return NULL;
+
+ return (void *)match->data;
+}
+
const struct fwnode_operations of_fwnode_ops = {
.get = of_fwnode_get,
.put = of_fwnode_put,
@@ -996,5 +1012,6 @@ static int of_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
.graph_get_remote_endpoint = of_fwnode_graph_get_remote_endpoint,
.graph_get_port_parent = of_fwnode_graph_get_port_parent,
.graph_parse_endpoint = of_fwnode_graph_parse_endpoint,
+ .get_match_data = of_fwnode_get_match_data,
};
EXPORT_SYMBOL_GPL(of_fwnode_ops);
--
1.9.1